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Slip Cap and Well Head Lock <br /> Approximately 1 Foot <br /> Ground Surface <br /> 2 Inch Diameter, Schedule 40 Carbon <br /> 2 Inch Diameter,Schedule 40. Steel Casing for Top 20 Feet <br /> PVC Casing <br /> 2 -Inch Diameter, Schedule 40 <br /> PVC Casing for Remaining Depth <br /> Grout Seal,Neat Cement with Bentonite <br /> Bentonite Slurry-1 Foot Minimum <br /> 2 Foot Minimum — Dry Bentonite Chips-1 Foot Minimum <br /> PVC Well Screen,10 Feet, Course Sand/Pea Gravel <br /> 0.05 Inch Slat Size <br /> PVC End Cap <br /> 3 Feet Minimum <br /> Water Table 4- <br /> <�< <br /> Grout Seal,Neat Cement with <br /> Bentonite <br /> 0 <br /> 7 <br /> Bentonite Seal-1 Foot Minimum <br /> 2 Foot Minimum <br /> PVC Well Screen-2 Feet <br /> Sand Pack (Lonestar 2/12) -- 0.02 Inch Slot Size <br /> 12 Inch Diameter Borehole _ :+;�;".e: _,.: .>; PVC End Cap <br /> Not To Scale <br /> Figure 1 <br /> SCHEMATIC DIAGRAM OF <br /> DUAL-SPARGING/VAPOR EXTRACTION WELLS <br /> CKWIu <br /> BAE31604.AS.01 <br />